Shares of HCL Technologies rose to a 52-week high of 492.40 rupees on the Credit Suisse upgrade report,three dealers said. Credit Suise upgraded the stock to 8216;outperform8217; from 8216;neutral8217; and raised the target price to 600 rupees from 400 rupees. Credit Suisse expects the company8217;s topline to remain strong on back of recovery in enterprise services segment and as BPO business returns to profitability. The companies mix of business has ensured revenue growth will remain at par with larger peers like Infosys,the brokerage added. At 10:26 a.m.,shares were up 5.34 percent to 489.05 rupees.