PB Fintech shares extend losses for fourth straight session; loses 41% in four days - what investors should do?

New Delhi, Sept. 29 -- PB Fintech shares fell more than 5% on Tuesday, 29 September, extending a sharp sell-off that has wiped out around 41% of the stock's value over the past four sessions. The Policybazaar parent, however, rebounded more than 3.5% in early trade on Monday after Bernstein retaine…