Market-moving stories, the moment the data changes.

Bearish Bets Stack Up in Semis and Social Options flow is flashing warning signs across the tech sector this week. Negative bets dominated the leaderboard on August 23, with MU topping the bearish options chart by a wide margin. Micron Technology led all US stocks in negative options bets over the past seven days. The chip giant is up 239% year-to-date — and traders…

Lockheed, Evergy Lead Fresh Upgrades Analysts moved on two distinct sectors this week. Defense and utilities drew the most notable rating changes in recent activity. LMT received a formal upgrade. The defense giant's consensus shifted to a more bullish stance, with the average target price sitting at $632.95. Lockheed carries a $130 billion market cap. Short interest is minimal…

Gates Piles Into Waste, CHYM Backers Cash Out Bill Gates filed this week to have bought over $160 million in RSG stock. The Republic Services purchases spanned 17 separate transactions between August 14 and 19. Gates paid between $215 and $223 per share. It is one of his largest disclosed buying sprees of the year. Meanwhile, the selling pressure at CHYM was…

Short Sellers Pile Into Reddit, Eye Quantum Squeeze Short interest in RDDT jumped 4.1 percentage points in one week. The stock now sits at 17.6% of free float short. Bears are clearly betting against the social platform — even as it dominates its own headlines. QUBT is flashing a rare setup. Short interest hit 31.8% of free float. Availability of shares to borrow…

Plug Power enters the week with a peculiar split: short sellers have been quietly reducing exposure for a month, yet the lending market has tightened sharply, and options traders are leaning more bullish than they have been all year. The most striking shift in positioning is on the borrow side. Availability has tightened to roughly 30% — meaning only one share is available to lend…

HYMC heads into late August with an unusual tension at its core — short sellers hold a large position, a 30% one-month rally has squeezed some of them out, and insiders have been cashing out consistently since June. The short position is genuinely large. At 17.7% of free float, it ranks among the more heavily shorted names in the gold mining space. But the direction of travel this…

Rezolute enters the week with a fascinating split personality: a 19% short interest reading that has grown 12% over the past month sits alongside a stock that just rallied 11% in a week and attracted fresh institutional money from some of the Street's better-known active managers. The short position is the most striking feature of this setup. Nearly one in five free-float shares is…

WBTN enters the week on a recovering footing — up 6.2% over the past five sessions to $8.80 — yet the ORTEX short score remains stubbornly elevated at 84, and the analyst community has just spent its post-earnings week cutting targets. The most striking shift in positioning is in options, where sentiment has swung sharply toward calls. The put/call ratio collapsed to 0.23, well…