As Snap's growth warning sends its stock down over 41%, other social media stocks drop too: Meta by 9%+, Pinterest by 22%+, Alphabet by 6%+, and Twitter by 4%+ (Lauren Feiner/CNBC)

Lauren Feiner / CNBC:

As Snap’s progress warning sends its inventory down over 41%, different social media shares drop too: Meta by 9%+, Pinterest by 22%+, Alphabet by 6%+, and Twitter by 4%+  —  – Snap CEO Evan Spiegel warned of slowing progress in a word to workers made public on Monday.  — His message despatched a chill throughout the digital promoting trade.