Stock markets track Wall St down with Nvidia, US jobs in view

Tokyo and Seoul led equity losses on Tuesday, while bitcoin fell below $90,000 as investors grow increasingly worried about frothy tech valuations, with focus on earnings this week from AI chip titan Nvidia.Seoul also tanked more than three percent, having enjoyed a spectacular rally of more than 60 percent so far this year led by chip titans Samsung and SK hynix, which were both hammered on Tuesday.