Rocket Lab Corp RKLB shares are falling in extended trading on Monday after the company announced an offering of up to 750millionofitscommonstock.SeethetradingsetupforRKLBstockhere.WhatHappened:RocketLabannounceditenteredintoasalesagreementwithmultiplesalesagents,underwhichtheend−to−endspacecompanymayofferandsellupto750 million of its common stock from time to time.Rocket Lab entered into a similar agreement in March, allowing the company to sell up to $500 million o ...