Prediction markets, which allow wagers on almost anything in politics, business or culture, takes betting to a new level.

Read program-trading on The Wall Street Journal ...

With prediction markets booming, so have concerns about insider trading. Now, Kalshi has disclosed its first public actions against accounts suspected of trading on confidential information.

Nvidia shares ticked higher in midday trading Wednesday, ahead of earnings due after the close. The chip maker's stock has ...

Silicon Valley had grown to resent the mainstream media. Two tech insiders decided to build their own version of it.

The once-staid ETF market, dominated by passive funds, is experiencing a proliferation of more esoteric and exotic active funds. Asset managers are rolling out more tax-aware long/short SMAs. These ...

Laurie Sepulveda is a MarketWatch Guides team senior writer who specializes in writing about insurance, investing, personal loans, home equity loans, mortgages and banking. She lives in North Carolina ...

Read this before putting your money on options trades. Plus: Money tips from readers like you.

Data integration between IPO Prophet and PM Insights brings pre-IPO valuations and Day-1 trading intelligence together ...

Stock futures were little changed Tuesday, a day after major indexes plunged on worries about AI disruption and uncertainty over the state of President Donald Trump's tariffs.

High-frequency trading powerhouse Jane Street is accused of insider trading that accelerated the downfall of crypto project ...