** Shares of state-run Punjab National Bank Ltd fall as much as 8.93 pct to 102 rupees, lowest since June 24, 2016
** Company said on Monday that the amount of fraudulent transactions involving the bank could go up by about $204 million in addition to the $1.77 billion it had earlier reported
** The alleged fraud, by far the biggest ever detected by a local bank, is centred around companies linked to a billionaire jeweller Nirav Modi and his uncle Mehul Choksi, owner of Gitanjali Gems Ltd.
** A number of banks provided loans to Modi and Choksi after PNB issued letters of undertaking, or guarantees, for the loans
** The PSU Bank index down 2.5 pct, with all stocks trading in the red
** PNB stock fell over 30 pct in nine trading sessions since the fraudulent transactions were first reported, while the PSU Bank index fell 8.8 pct during that period