SpaceX (SPCX) stock whipsawed through a volatile week, swinging from an all-time low to a sharp rebound and closing at a new low, as investors braced for the newly public company's first earnings report and a major share unlock. During an up-and-down week that swung from gains to losses, the stock ended on a down note, falling about 5.8% for the week. SpaceX stock has shed approximately 30% from its $150 market debut last month and remains down roughly 50% from its all-time high of $225.64. Read more: SpaceX stock keeps sliding. SpaceX stock was volatile ahead of earnings.