SoftBank Dives Into Tech Stocks

Japan's SoftBank Group Corp. bought $4 billion of shares in tech companies and another $4 billion of call options.
Business Insider says the purchase is tied to roughly $50 billion in tech stocks,
Regulatory filings showed Softbank's tech-stock buying activity.
The filings did not show the options purchase.
According to the Wall Street Journal Softbank sold the call options at a higher price.