That title now belongs to Microsoft, following Tuesdayโs closing bell. Appleโs shares fell 5% for the day and are now down 23% since last weekโs tariff announcement. That puts Appleโs market capitalization at $2.59 trillion. Microsoft, down only 7% over the same period, closed Tuesday with a market cap of $2.64 trillion.
The two companies have jostled for the top position a few times over the past five years. But Appleโs market value has been solidly ahead of Microsoftโs since mid-2024, as the software giantโs share price began to slump on worries about its blowout AI spending relative to the potential return. Trumpโs tariff plan, though, has painful implications for Apple, which produces nearly all of the products it…





