On the final trading day of what has been a volatile August for stocks, David Faber and Wilfred Frost explored market reaction to the Fed's preferred inflation gauge: PCE held steady in July -- the data comes as investors expect a September Fed rate cut. Wharton Professor Jeremy Siegel joined the market discussion. AI also on the front burner: From Dell and Marvell shares jumping on results and guidance --to Apple and Nvidia reportedly in talks to invest in OpenAI. Also in focus: August's winners and losers, tech and retail movers dominate Friday's earnings parade.

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