Cerberus Global Investments joined two other prospective investors for infusing capital into Srei Equipment Finance. : Shares of Srei Infrastructure Finance (Srei) were locked in 20 per cent upper circuit limit on the BSE in Monday's intra-day session after the company's wholly-owned subsidiary Srei Equipment Finance (SEFL) received an expression of interest (EoI) for equity infusion from global private investment firm Cerberus Global Investments. Following this development, the stock was quoting at Rs 7.35, up 19.90 per cent while BSE Sensex was trading 1.51 per cent higher at 48,600.