On Mar 6, Buffet bought 976,000 shares of Delta $DAL for $46.40 per share. Delta is $22.50.

50% loss in 12 days.

Buffet is as clueless as we are.$DAL $UAL $AAL $AC $SPY #StockMarketCrash2020https://t.co/2JL8GocVCK pic.twitter.com/SCbQYXsNhU

— Silbergleit Junior (@SilbergleitJr) March 18, 2020

Warren Buffett’s Berkshire Hathaway Increases Delta Stake During Market Sell-Off

https://www.fool.com/amp/investing/2020/03/03/warren-buffetts-berkshire-hathaway-increases-delta.aspx

Read the rest here: 
On Mar 6, Buffet bought ~1M shares of Delta, sold 12-days later for a 50% loss