In March, short sellers collectively increased their negative bets on the broader healthcare industry, as indicated by a rise in the average short interest for the S&P 500 Health Care Index Sector (NYSEARCA:XLV) to 1.81%, up from 1.79% in February. Within the
Short bets against S&P 500 healthcare stock rise in March; MRNA stays top shorted (XLV:NYSEARCA)
