US Stock Market top gainers and losers on October 31: Amplitech Group sees 78% jump, RiverNorth/DoubleLine Strategic Opportunity Fund plunges by nearly 77%; here’s how NASDAQ …

Wall Street’s main stock indexes closed higher on Friday (October 31, 2025) with their biggest boost coming from Amazon’s upbeat earnings forecast, but sentiment was dampened by worries that the Federal Reserve is becoming more cautious about cutting rates. The S&P 500, the Nasdaq Composite and the Dow boasted weekly gains and their longest monthly winning streaks in years.

Amazon shares rallied sharply, closing up 9.6% after hitting an all-time high following its forecast for quarterly sales above estimates. The online retailer and cloud services giant helped the consumer discretionary sector close up 4% for its biggest one-day gain since May 12.

As far as other megacap companies are concerned, Apple’s shares closed down 0.4% after its forecast for iPhone holiday quarter sales surpassed Wall Street expectations was clouded by CEO Tim Cook’s flagging of supply constraints.
The Dow Jones Industrial Average rose 40.75 points, or 0.09%, to 47,562.87, the S&P 500 gained 17.86 points, or 0.26%, to 6,840.20 and the Nasdaq Composite gained 143.81 points, or 0.61%, to 23,724.96.

For the month, the S&P 500 added 2.27%, for a sixth consecutive monthly gain, which was its longest such streak since August 2021. The Nasdaq Composite added 4.7% for October, capping a 7-month winning streak, its longest since early 2018. The Dow rose 2.5% for the month, for its sixth straight monthly gain and its longest monthly advance since January 2018.

For the week, the S&P 500 rose 0.7% while the Nasdaq added 2.24% and the Dow climbed 0.75%. Netflix rose 2.7% after it unveiled plans for a 10-for-1 stock split.Western Digital closed up 8.7% after rallying to an all-time high following its forecast of quarterly earnings above Wall Street estimates. Shares of Solar panel maker First Solar surged 14.3% after surpassing expectations for third-quarter sales.

Check top gainers and losers on NASDAQ

As of the market close on October 31, 2025, at 4:15 PM ET, the NASDAQ saw significant movements among both its top gainers and decliners.

Among the most advanced stocks, Amplitech Group, Inc. (AMPGW) led the rally with an impressive 78.444% surge, reflecting strong investor enthusiasm for the company. Close behind was AMTD Digital Inc. (HKD), which jumped 74.5562%, continuing its reputation for sharp price swings. Iveda Solutions, Inc. (IVDAW) also saw robust gains, climbing 63.6364%, while Beneficient (BENFW) rose 62.1622%, signaling solid momentum in its trading activity. Rounding out the top five gainers, FACT II Acquisition Corp. Warrant (FACTW) advanced 55.1831%, showcasing notable strength in the SPAC-related segment of the market.

On the other side of the spectrum, the most declined stocks reflected sharp pullbacks. RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. (OPP) tumbled 77.5%, leading the day’s losses. Boqii Holding Limited (BQ) followed closely, dropping 77.254% amid significant selling pressure. Fly-E Group, Inc. (FLYE) fell 52.8505%, while The Generation Essentials Group Class A Ordinary Shares (TGE) slipped 51.2976%, both seeing steep corrections. Lastly, Rubico Inc. Common Stock (RUBI) declined 46.5548%, rounding out the list of the day’s sharpest decliners.