Rick Wilking/Reuters
- Warren Buffett found few bargains in the second quarter, Berkshire Hathaway's earnings show.
- The investor's company sold a net $8 billion of stock, and spent only $1.4 billion on buybacks.
- Berkshire's cash pile grew by 13% to a near-record $147 billion as a result.
Warren Buffett's struggle to find bargains continued last quarter as stocks marched higher, Berkshire Hathaway's second-quarter earnings revealed on Saturday.