BUZZ — India's Persistent Systems falls on quarterly profit slump
* Shares of Persistent Systems down 3.4% to 5,642 rupees * Stock set for third straight session of losses * Co's Sept-qtr consol profit falls over 25% to 3.52 billion rupees ($37.06 million); consol rev from ops up 30% to 46.64 billion rupees * Investec ("Sell"; raises PT to 4,550 rupees from 4,500 rupees) says profit