Markets respond to geopolitical developments and policy shifts while corporate leadership changes dominate headlines across tech and retail sectors.

POET Technologies stock surged over 70% this week on speculation of a major hyperscaler partnership, despite short seller warnings about potential tax complications for the AI-focused photonics company.

Lululemon appointed Nike veteran Heidi O'Neill as its new CEO, though analysts remain cautious about whether the leadership change will address the yoga-wear maker's challenges.

Apple faces critical tests for its incoming CEO to drive growth beyond what Tim Cook achieved, with the company's future hinging on a major strategic pivot.

Cannabis stocks including Tilray soared on reports that Trump is ready to reclassify marijuana, potentially opening medical research opportunities and banking services for growers.

Bitcoin rallied past key levels as the Iran cease-fire boosted investor appetite, with analysts suggesting the cryptocurrency could break past $80,000 due to sustained capital inflows.

CSX railroad raised its sales outlook as businesses increasingly shift to rail transportation to avoid surging fuel costs amid geopolitical tensions.

Airlines are cutting flights due to rising fuel costs, leading to fewer route options and higher summer fare prices for travelers.