Domino’s Pizza shares jumped nearly 8% in extended trading on Thursday after a filing revealed that Warren Buffett’s Berkshire Hathaway had taken a stake in the world’s largest pizza chain. Monitor these important chart levels.

Berkshire Hathaway Inc. bought stock in Domino’s Pizza Inc. and Pool Corp. during the third quarter as Chairman Warren Buffett cut back on some long-held investments. Shares of the two new holdings jumped in late New York trading.

The investments were disclosed in a US Securities and Exchange Commission filing detailing Berkshire's US-listed investments as of Sept 30

Warren Buffett's Berkshire Hathaway (BRK.A; BRK.B) took stakes in Domino's Pizza (DPZ) and swimming pool supplier Pool Corp. (POOL) in the third quarter while continuing to trim stakes in longtime holdings Apple (AAPL) and Bank of America (BAC).

Berkshire Hathaway's latest 13F filing shows Buffett's continued sell-off of largest holdings, including Apple and Bank of America.

Warren Buffett’s Berkshire Hathaway established new positions in consumer companies Domino’s Pizza and Pool Corp. while mostly selling stocks in the third quarter. The Omaha, Neb., company also slashed its recently established stake in Ulta Beauty and cut its holdings of Capital One Financial and Charter Communications,

Berkshire Hathaway initiated these new positions during the third quarter even as it cut back its holdings of big names like Apple and Bank of America.

Domino’s is the only sizable new equity holding by Berkshire in the period. Domino’s shares are rising in after-market activity in an apparent reaction to the Berkshire news.