Notícias do Mercado de Ações

Últimas notícias financeiras · Atualizado Mai 21, 2026

NVDA HON
▬ mixed

Nvidia diz que basicamente cedeu o mercado de chips de IA da China para a Huawei

Nvidia says it has ‘largely conceded’ China’s AI chip market to Huawei

Nvidia's strong revenue growth and buyback mask the permanent loss of the Chinese data center market, with bulls and bears …

CNBC · Mai 21, 2026
▬ mixed

Três principais conclusões da viagem de Putin a Pequim — e o que revelam sobre as relações China-Russia

Three key takeaways from Putin's Beijing trip — and what they reveal about China-Russia ties

The panel agrees that China is leveraging its position to secure favorable terms from Russia, with the Power of Siberia …

CNBC · Mai 21, 2026
S U
▼ bear…

Frenesi da IA vê estas ações europeias ganharem mais de 100% este ano em uma subida blockbuster

AI frenzy sees these European stocks gain over 100% this year in blockbuster rally

The panel generally agrees that the rally in European 'AI proxies' is driven by scarcity and liquidity rather than a …

CNBC · Mai 21, 2026
CAC DAX U
▬ mixed

Mercados europeus para abrir planos enquanto os preços do petróleo caem abaixo de $100

European markets to open flat as oil prices fall below $100

Despite a significant drop in oil prices, European markets opened flat due to cautious optimism and uncertainty about the longevity …

CNBC · Mai 21, 2026
NVDA
▬ mixed

Nvidia Está Avançando Além dos LLMs para Superlearners, o Possível Precursor da AGI. O Que Isso Significa para a Ação NVDA.

Nvidia Is Moving Beyond LLMs to Superlearners, the Possible Precursor to AGI. What That Means for NVDA Stock.

The panel is divided on Nvidia's tie-up with Ineffable Intelligence, with some seeing it as a strategic masterstroke that could …

Yahoo Finance · Mai 21, 2026
NEE D
▼ bear…

NextEra e Dominion Energy fundem-se para criar o maior gigante do setor de utilidade pública

NextEra and Dominion Energy Merge to Create the Largest Utility Giant

The panel is bearish on the $67B all-stock merger of NextEra and Dominion, citing significant execution risks including regulatory hurdles, …

Yahoo Finance · Mai 21, 2026
QQQ
▼ bear…

O ETF de $43 Bilhões Escondido à Vista. Por que o DIA Pode Superar SPY e QQQ nos Últimos 7 Meses de 2026.

The $43 Billion ETF Hiding in Plain Sight. Why DIA Might Outperform SPY and QQQ for the Rest of 2026.

The panel consensus is bearish on DIA's prospects, with key risks including Boeing's operational challenges and potential deposit beta risk …

Yahoo Finance · Mai 21, 2026
SNPS
▬ mixed

Previsão: Synopsys Pode Atingir US$ 600+ em 12 Meses e Eis o Porquê

Prediction: Synopsys Could Hit $600+ in 12 Months and Here’s Why

Synopsys' strong operational performance and AI-driven growth are acknowledged, but high debt, China exposure, and customer concentration risks are significant …

Yahoo Finance · Mai 21, 2026
S U WTI
▬ mixed

O que a Inversão nos Contratos Futuros de Petróleo Bruto nos Diz?

What is Backwardation in the Crude Oil Futures Market Telling Us?

The panel agrees that the current steep backwardation in oil prices signals tight near-term supply and benefits long rollers. However, …

Yahoo Finance · Mai 21, 2026
TGT WMT
▼ bear…

Alerta de Ação TGT: O que Saber Enquanto o Target Contrata Ex-Executivo da Walmart

TGT Stock Alert: What to Know as Target Taps Former Walmart Exec

Despite Target's hiring of supply chain veteran Jeff England, panelists remain bearish due to demand destruction, margin cannibalization from same-day …

Yahoo Finance · Mai 21, 2026
▬ mixed

GasBuddy sinaliza redefinição de preços de gasolina em meio à mudança na Guerra do Irã

GasBuddy signals gas-price reset amid shift in Iran War

The panel agrees that the current oil price surge is driven by geopolitical tensions, particularly the risk of Hormuz closure. …

Yahoo Finance · Mai 21, 2026
▬ mixed

Sumidouro fecha pista no aeroporto LaGuardia de Nova York

Sinkhole shuts down runway at New York LaGuardia airport

The LaGuardia sinkhole incident highlights systemic runway subsidence risks at coastal airports, potentially leading to recurring maintenance capex, higher delay-related …

The Guardian · Mai 21, 2026