What does Berkshire Hathaway’s $150 billion in cash say about Warren Buffett’s view of stocks now?

Berkshire's cash allocation hasn’t been constant, but has fluctuated in a narrow range.

What does Berkshire Hathaway’s $150 billion in cash say about Warren Buffett’s view of stocks now?
Berkshire's cash allocation hasn’t been constant, but has fluctuated in a narrow range.