Dow Futures rose 0.23%, S&P 500 Futures rose 0.25%, Nasdaq Futures rose 0.69%, reflecting a broadly risk-on tone.
AXT Inc rose 23.20%. Q2 revenue and EPS beat sharply, with gross margin jumping.
Monolithic Power (MPWR) rose 9.41%. Q2 topped views and Q3 revenue is guided to $1.14–$1.16B on AI demand.
Amazon.com rose 9.26%. Q2 smashed estimates as AWS grew 37% and AI revenue topped $25B.
Bloom Energy Corp (BE) rose 7.40%. Record Q2 revenue and a Mizuho upgrade boosted shares.
Marvell Technology (MRVL) rose 6.61%. AI spending optimism and higher Street targets aided a sector rebound.
Coherent rose 6.40%. Optical names extended an oversold recovery ahead of August results.
Micron Technology (MU) rose 4.50%. Microsoft capex and Samsung’s shortage outlook fueled a memory rally.
Lumentum rose 3.14%. Microsoft’s results rekindled confidence in AI networking demand.
Applied Materials (AMAT) rose 2.82%. Semicap stocks bounced with supportive target hikes ahead of earnings.
Roblox Corporation (RBLX) fell 13.81%. Q2 missed on revenue and weak Q3 guidance projected bookings down 14%–18%.
Reddit fell 10.42%. A strong beat was overshadowed by slower U.S. users and AI traffic risks.
Apple fell 5.99%. Guidance signaled supply constraints, services softness, and higher memory costs.
Coinbase Global, Inc. (COIN) fell 4.76%. Q2 revenue and losses missed, despite stronger stablecoin income.
Chip stocks rose, with Astera Labs, Inc. (ALAB) rising 7.53%, Direxion Daily Semiconductors Bull 3x Shares (SOXL) rising 6.91%, SUPER MICRO COMPUTER INC (SMCI) rising 2.63%, ARM Holdings rising 2.50%.
Memory chip stocks rose, with SanDisk Corp. rising 7.42%, Western Digital rising 4.68%, Roundhill Memory ETF (DRAM) rising 2.96%, Seagate Technology PLC (STX) rising 2.86%.
Optical communication stocks rose, with Corning rising 3.71%.
Among other individual movers, Rocket Lab USA, Inc. (RKLB) rising 4.04%, IREN Ltd rising 3.58%, T1 ENERGY INC rising 3.28%, Vertiv Holdings LLC (VRT) rising 2.64%, AST SpaceMobile, Inc. (ASTS) rising 2.22%.