Shares were mixed in Europe and Asia on Monday, with big gains for computer chipmakers and other tech stocks after Friday's rally on Wall Street. Oil prices rebounded and Brent crude climbed more than $2 a barrel as the U.S. launched an effort early Monday to guide ships out of the Strait of Hormuz. Iran rejected the plan but was reviewing the U.S. response to its latest proposal to end the war, Iran’s judiciary Mizan news agency cited Foreign Ministry spokesman Esmail Baghaei saying Sunday.