It also took a hit last Feb. from ~$55 to ~$45 per share. Was that from panic selling?
The corporate and muni credit markets froze up for a few days due to pandemic. From CNBC on 3/17/2020:
“ The swift hit to the U.S. economy from efforts to stop the spread of the coronavirus has created a crunch in credit markets that threatens to turn an economic downturn into a financial crisis.
Companies have rushed to raise cash by drawing down credit lines and other borrowing, as they face a sudden shortfall in revenues. The ripple effect has been a whammy to credit markets, sending many spreads wider across the markets and even stalling out the commercial paper market, where the highest rated companies go for cash.
“We’re speeding towards one. We need to deal with this. This is real now. All the red flags are raised,” said Diane Swonk, chief economist at Grant Thornton.
The Federal Reserve on Tuesday said it would provide help to companies having a hard time getting the short-term funding they need.”