Kalshi and Polymarket place new bans on insider trading as senators move to curb prediction markets

Kalshi and Polymarket, the two biggest prediction market platforms, rushed to institute new industry guardrails and add new ...

High oil prices knock down stocks and erase Wall Street’s hopes for a cut to interest rates

The market’s losses deepened after oil prices erased an early dip and accelerated in the afternoon. Brent crude, the ...