CFRA analyst Tuna Amobi upgraded his rating on online travel giant Expedia Inc. to "strong buy" from "buy."

The CFRA analyst, who raised his price target on Expedia stock to $165 from $145, wrote in a June 7 note that CFRA remains "cautiously optimistic on the summer travel season, despite some clouds amid a renewed wave of terrorist attacks."

The analyst also noted "further traction" at Expedia's travel management company, Egencia, and trivago, which is majority-owned by Expedia.