A roundup of tech ratings changes

|By:, SA News Editor

BlackBerry (BBRY) has been upgraded to Neutral by Macquarie following a weekend report indicating the company is in talks to sell part or all of the company to Cisco, Google, SAP, and others. Shares +4% premarket.

IBM and Informatica (INFA) have been cut to Equal Weight by Barclays. IBM -1.4%.

Twitter (TWTR) has been started with a Buy and $50 PT by SunTrust ahead of its IPO. The PT implies a $25B valuation.

Infosys (INFY) has been upgraded to Buy by BNP Paribas.

MaxLinear (MXL) has been upgraded to Outperform by JMP following news the chipmaker has settled its patent dispute with Silicon Labs.

Citrix (CTXS) has been upgraded to Overweight by Barclays.

Splunk (SPLK) has received a two-notch downgrade to Underperform by Credit Agricole. Needham cut shares to Hold last week. Shares -2.3%.

PT Telekomunikasi Indonesia (TLK) has been cut to Neutral by Credit Suisse.