Investors are buying shares of Nvidia (NVDA - Get Report) , Micron Technology (MU - Get Report) , Alibaba (BABA - Get Report) and General Electric (GE - Get Report) , according to fresh data from TD Ameritrade.

"TD Ameritrade clients have continued to be net buyers and seem to be putting their money where they see opportunity," said JJ Kinahan, chief market strategist at TD Ameritrade. "Retail investors have increased their exposure to Chinese stocks, while taking profits in the energy sector as crude oil hits 52 week highs."

TD clients sold shares of Exxon Mobil (XOM - Get Report) and Chevron (CVX - Get Report) .

The TD data accounts for trades made during the month of October.

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