SoftBank Group Corp. tumbled to a loss in the December quarter, weighed down by a drop in the value of the Vision Fund’s public holdings, just as Masayoshi Son campaigns to raise $500 billion for the Stargate artificial-intelligence project.

SoftBank Group Corp on Wednesday swung to a loss of 369.16 billion yen ($2.4 billion) in the third quarter of FY24 as shares of some of its top portfolio companies declined sharply during the period.

CNBC's Deirdre Bosa joins 'Squawk on the Street' with details about SoftBank.