Most people flock to Palm Beach for sunshine and an escape. But on Tuesday, Wall Street's elite got 40-degree weather and nonstop talk about one company: Anthropic . As the morning session of The Wall Street Journal's Invest Live event kicked off, the AI startup announced its new "Claude Cowork" legal plugins, a tool designed to automate contract triage and NDAs. The news unnerved investors, dragging down indexes like the Nasdaq and tech stocks from Palantir to Oracle. Thomson Reuters had