Stock Market Movers: Biggest Losers and Gainers on 26 October 2026

Worst Performers

10. NU: Nu Holdings (NU) falls 16.95% alongside Brazilian counterparts as leftist Luiz Inácio Lula da Silva wins presidential election for the 4th time.

9. CIG: Companhia Energética de Minas Gerais (CIG) loses 16.96%, mirroring the decline in Brazilian stocks after leftist president surprisingly wins presidential election for the 4th time.

8. ELPC: Companhia Paranaense de Energia (ELPC) falls 19.55% amid wider Brazilian stocks decline following 4th win of leftist president.

7. ITUB: Itaú Unibanco Holding S.A. (ITUB) loses 20.37% amid Brazilian stocks fall as markets sour on 4th win of leftist president.

6. PAGS: PagSeguro Digital Ltd. (PAGS) declines 25.17%, mimicking the nosedive in Brazilian equities as investors dispose of shares following 4th win of leftist president.

5. SBS: Companhia de Saneamento Básico do Estado de São Paulo (SBS) loses 26.09% amid Brazilian stocks decline on surprise win of leftist president.

4. STNE: StoneCo Ltd. (STNE) loses 27.44% on broader Brazilian market decline as investors sour on results of presidential elections.

3. BBD: Banco Bradesco S.A. (BBD) nosedives 28.01% on Brazilian market decline following surprise win of leftist president.

2. INTR: Inter & Co. (INTR) down 34.91% on broader Brazilian market selloff as investors sour on surprising presidential election results.

1. XP: XP Inc. (XP) nosedives 48.36% on broader Brazilian market selloff as presidential election results disappoint investors.

Highest Gainers

10. GLXY: Galaxy Digital (GLXY) jumps 6.81% on portfolio positioning ahead of Q3 earnings release tomorrow, October 27.

9. CART: Maplebear (CART) climbs 7.87% following reports that Instacart is set to be acquired by DoorDash for as much as $17B. Reports say deal expected to be finalized on Wednesday.

8. AXTI: AXT Inc. (AXTI) surges 8.05% on overall market optimism.

7. LITE: Lumentum Holdings (LITE) up 8.05% on wider market optimism and bullish coverage from StoneX, which issued an overweight rating and a $1200 price target on the stock.

6. TENB: Tenable Holdings (TENB) jumps 8.12% as Cantor Fitzgerald reiterates overweight rating, while traders position portfolios ahead of Q3 earnings on Wednesday, October 28.

5. INIO: Innio NV (INIO) soars 9.34% on portfolio positioning ahead of Q3 earnings tomorrow, October 27.

4. NN: NextNav (NN) climbs 11.9% on bargain-hunting following last week’s touch of a new 52-week low, while investors turn optimistic ahead of FCC’s October 29 meeting.

3. XNCR: Xencor Inc. (XNCR) soars 15.89%, thanks to strong phase 1 results of its drug clinical trial for patients with advanced clear cell renal cell carcinoma and ENPP3+ tumors.

2. RRC: Range Resources Corp. (RRC) soars 17.66% after agreeing to be acquired by EQT Corp. in an all-stock transaction worth more than $50B.

1. SGRY: Surgery Partners (SGRY) rockets 47.62% higher on planned merger with Bon Secours Mercy Health affiliate, HealthSpan Partners, for $5.7B.