Stock Market Articles and Investing Research
Read recent articles from The Online Investor covering stock market movers, abnormal volume, valuation signals, insider buying, stock buybacks, dividends, ETFs, sector performance, and company-specific research updates.
The article feed highlights notable stock activity and links to related quote pages, research tools, screens, and market data pages across The Online Investor.
Latest articles
Truist Financial Overtakes Comfort Systems USA in S&P 500 Market-Cap RankingsJoel Kornblau, Editor, The Online Investor - 5 hours, 28 minutes agoTruist Financial surpassed Comfort Systems USA in the S&P 500 market-cap ranking, with valuations of $56.89 billion and $52.13 billion, respectively. The shift reflects differing recent share performance and highlights how market capitalization helps compare company size, index relevance, and investor positioning. Read More »
Friday Sector Laggards: Technology and Communications Stocks Fall 3%, Industrials Decline
Joel Kornblau, Editor, The Online Investor - 7 hours, 34 minutes agoTechnology and communications stocks led Friday's losses, down 3.0%, while industrials fell 1.0%. Several individual stocks dropped sharply, despite smaller ETF declines. Energy led afternoon gains at 2.4%; financials were unchanged. Read More »
TriMas (TRS) Ranks No. 50 Among Analyst Picks With Strong Share Buybacks
Joel Kornblau, Editor, The Online Investor - 7 hours, 49 minutes agoTriMas ranks No. 50 in a screen combining analyst recommendations with significant buybacks. The ranking is not evidence of undervaluation; investors should assess net share-count changes, cash generation, repurchase prices, and trade-offs with debt reduction and operational investment. Read More »
AGMB Stock Hits a 52-Week Low: What $311,170 in Insider Buying Signals
Joel Kornblau, Editor, The Online Investor - 9 hours, 1 minute agoAgomab Therapeutics shares hit a 52-week low of $7.92, down 55.56% from their annual peak. The CEO, CFO, and a director recently bought 36,000 shares for about $311,170, signaling potential confidence but not guaranteeing a recovery. Read More »
10 Unusual Volume Stocks to Watch Friday: CCC, PAG and CRWV Lead
Joel Kornblau, Editor, The Online Investor - 11 hours, 16 minutes agoCCC Intelligent Solutions led Russell 1000 stocks in unusual trading volume, with shares trading 28.9 times their three-month average. Penske Automotive, Coreweave, TeraWulf, and First Horizon followed. Volume spikes signal heightened activity but do not explain its cause or predict price direction. Read More »
Tesla Overtakes Micron for No. 9 S&P 500 Market Cap Ranking
Joel Kornblau, Editor, The Online Investor - Thu., Oct. 15, 5:18 PMTesla has overtaken Micron to rank ninth among S&P 500 companies by market capitalization, with cited valuations of $1,450.12 billion and $1,032.41 billion, respectively. The shift reflects changing investor expectations and market prices, not a permanent change in corporate strength. Read More »
ManpowerGroup (MAN) Stock Falls Below Book Value as Shares Drop 15%
Joel Kornblau, Editor, The Online Investor - Thu., Oct. 15, 5:14 PMManpowerGroup shares fell about 15% to $43.74, below reported book value of $45.29 per share. The stock traded at roughly 0.97 times book value, though that accounting measure alone does not determine whether shares are undervalued; hiring and profitability prospects also matter. Read More »
Thursday Sector Performance: Services and Healthcare Lead as Energy Lags
Joel Kornblau, Editor, The Online Investor - Thu., Oct. 15, 2:38 PMThursday, services led sector gains at 2.6%, followed by healthcare at 2.3%; energy fell 1.4%, the weakest group. Lululemon and Expedia advanced, as did Moderna and Eli Lilly. Healthcare ETF XLV rose 2.4%, while consumer-services ETF IYC gained 2.0%. Read More »
AXIS Capital Ranks No. 45 Among Analyst Picks With Strong Share Buyback Activity
Joel Kornblau, Editor, The Online Investor - Thu., Oct. 15, 2:37 PMAXIS Capital ranks No. 45 among companies combining at least 5% share repurchases over the past year with favorable analyst sentiment. The ranking highlights potential capital-allocation confidence, but investors should assess buyback funding, operating outlook, and valuation before drawing conclusions. Read More »
Wednesday Sector Laggards: Technology and Communications Falls 3.1%, Industrials Drops 1.6%
Joel Kornblau, Editor, The Online Investor - Wed., Oct. 14, 3:16 PMTechnology and Communications led Wednesday's sector declines, falling 3.1%, while Industrials dropped 1.6%. Dell, Ciena, Flex, and Bloom Energy posted sharp losses despite strong year-to-date gains. Healthcare and Consumer Products were the only groups to advance, rising 0.9% and 0.2%, respectively. Read More »
PHINIA Ranks 19th Among Analyst Picks With Strong Share Buybacks
Joel Kornblau, Editor, The Online Investor - Wed., Oct. 14, 2:23 PMPHINIA ranked 19th among companies that repurchased at least 5% of outstanding shares over the prior 12 months, based on average brokerage recommendations. The ranking reflects buyback activity and analyst sentiment, not proof of undervaluation; share count, repurchase prices, business performance and financial flexibility remain important. Read More »
Will Insiders Be Tempted To Buy More CHCT At The New 52-Week Low?
Joel Kornblau, Editor, The Online Investor - Wed., Oct. 14, 2:09 PMCommunity Healthcare Trust shares hit a 52-week low of $13.28, down 30.69% from their high, and would need to rise 44.28% to recover. Two insiders, including the CEO, bought shares in August; whether their purchases signal a rebound remains uncertain. Read More »
UBS Stock Falls Below 200-Day Moving Average as Shares Slip Within 52-Week Range
Joel Kornblau, Editor, The Online Investor - Wed., Oct. 14, 2:00 PMUBS shares briefly fell below their 200-day moving average of $47.08, raising questions about weakening momentum. The stock remains near the middle of its 52-week range, and the signal's significance depends on whether shares reclaim the level or continue declining. Read More »
HCA Healthcare Climbs to No. 180 in S&P 500 Market Value, Overtaking Simon Property Group
Joel Kornblau, Editor, The Online Investor - Tue., Oct. 13, 4:38 PMHCA Healthcare has surpassed Simon Property Group in the S&P 500 market capitalization ranking, placing No. 180 with a $99.29 billion market cap versus SPG's $65.17 billion. Market cap, not share price, better reflects a company's equity value and influences investment classifications and fund ownership. Read More »
Regional Management Among Top Analyst Picks Backed by Strong Share Repurchases
Joel Kornblau, Editor, The Online Investor - Tue., Oct. 13, 2:34 PMRegional Management Corp ranks No. 49 in a screen combining significant stock buybacks (over 5%) and favorable analyst ratings, signaling management's confidence and positive external views. This suggests potential per-share earnings growth and attractive valuation in the Credit Services sector amid broader economic conditions. Read More »
CDNL Stock Hits New 52-Week Low as Insider Buying Draws Fresh Attention
Joel Kornblau, Editor, The Online Investor - Tue., Oct. 13, 2:00 PMCardinal Infrastructure Group Inc (CDNL) hit a 52-week low of $17.20, down 82.16% from its high. Despite this, multiple senior insiders bought shares at $36-$51, totaling $9.27 million, suggesting they view the stock as undervalued amid ongoing fundamental challenges. Read More »
Quantum Computing Stock Falls Below Book Value as QUBT Tests 52-Week Lows
Joel Kornblau, Editor, The Online Investor - Mon., Oct. 12, 4:55 PMQuantum Computing Inc (QUBT) recently traded below its book value of $7.06, hitting as low as $6.92 and closing near $6.93, down 6.9%. The stock is near its 52-week low, highlighting investor concerns about the company's asset quality, outlook, and capital needs. Read More »
Datadog Overtakes BlackRock New York Municipal Income Trust in S&P 500 Market Cap Ranking
Joel Kornblau, Editor, The Online Investor - Mon., Oct. 12, 4:55 PMDatadog Inc (DDOG) surpassed BlackRock New York Municipal Income Trust (BNY) in S&P 500 market capitalization rankings, reaching No. 118 with $98.21 billion versus BNY's $96.83 billion. Market cap changes reflect investor repricing and influence portfolio classification and benchmark relevance. Read More »
MAXIMUS Draws Analyst Support as Share Buybacks Highlight Capital Allocation Strategy
Joel Kornblau, Editor, The Online Investor - Mon., Oct. 12, 3:17 PMMAXIMUS Inc. ranks No. 48 in a broker analyst screen highlighting companies with significant stock buybacks, repurchasing over 5% of shares in 12 months. Combined with favorable analyst ratings, this signals management confidence and strong capital allocation, potentially boosting per-share earnings. Read More »
Technology and Services Stocks Lead Monday Sector Declines as XLK and IYC Slip
Joel Kornblau, Editor, The Online Investor - Mon., Oct. 12, 3:14 PMTechnology and communications shares led Monday's market decline, down 1.3%, driven by steep drops in Lumentum Holdings (−11.0%) and Ciena Corp (−10.3%). Despite this, both stocks remain strong year-to-date, and the broader technology ETF (XLK) was only modestly affected. Read More »
AMG Insider Buying Looks Well Timed as Shares Reach a New 52-Week High
Joel Kornblau, Editor, The Online Investor - Mon., Oct. 12, 1:30 PMAffiliated Managers Group Inc. (AMG) shares surged 70.60% from a 52-week low of $231.53 to a new high of $395.00, driven by strong price momentum and recent insider buying by directors at $304-$306 per share. This insider activity signals confidence ahead of the stock's breakout. Read More »
Estee Lauder Overtakes Regions Financial in S&P 500 Market Cap Ranking
Joel Kornblau, Editor, The Online Investor - Fri., Oct. 9, 4:39 PMEstee Lauder (EL) has surpassed Regions Financial (RF) in the S&P 500 market capitalization rankings, moving to #353 with an approximate value of $24.30 billion versus RF's $23.03 billion. This shift reflects changes in investor expectations and sector sentiment rather than direct competition. Read More »
Olin Stock Falls Below Book Value as Shares Hit 52-Week Low
Joel Kornblau, Editor, The Online Investor - Fri., Oct. 9, 4:33 PMOlin Corp. (OLN) shares recently fell below their last reported book value of $15.01, hitting a 52-week low near $14.82. This signals market concerns about earnings or asset values, especially in cyclical industries, though book value alone doesn't fully capture the company's valuation outlook. Read More »
Las Vegas Sands Stock Buybacks and Analyst Ratings Put LVS Among Top Broker Picks
Joel Kornblau, Editor, The Online Investor - Fri., Oct. 9, 2:22 PMLas Vegas Sands (LVS) ranks No. 42 for combining significant share buybacks (over 5%) with strong analyst ratings, signaling confidence in its value and cash flow. Buybacks can boost EPS and ownership concentration, but must align with fundamentals and valuation to support investment cases. Read More »
