CLSA, a brokerage firm, has given an 'Underperform' rating on HDFC Life Insurance Company, stating that it sees limited potential for the stock's upside. CLSA has set a price target of Rs 680, predicting a 2% increase from the stock's closing price on Tuesday. While Jefferies and Kotak Institutional Equities have taken a 'Buy' stance on the stock with higher price targets, HDFC Life shares fell on Wednesday as investors looked to book profits. On Tuesday, HDFC bought an additional stake in its subsidiary HDFC Life through open market transactions.