Weekly Roundup: Palantir Gains, Citi Rises on Earnings, Centene Hits Low

On this edition of Stock Movers, we take a look at some of the week's biggest gainers and decliners:

- Palantir (PLTR) shares posted another solid week of gains and is among the best performers of the year so far. Earlier in the week, President Donald Trump unveiled a $70 billion in investments in artificial intelligence and energy in Pennsylvania and hosted an event in Pittsburgh. Palantir CEO Alex Karp was in attendance.
- Citi (C) shares had a good week after delivering earnings. The bank's traders rode the tariff-induced volatility in markets to their best second quarter in five years, with revenue buoyed by record trading volumes in the quarter. Revenue from Citi’s fixed-income trading business soared 20% to $4.3 billion, beating the $3.9 billion predicted by analysts in a Bloomberg survey. Citigroup’s stock traders hauled in $1.6 billion, also surpassing expectations, aided by a surge in prime balances to record levels during the period.
Centene (CNC) shares slid 11% this week. The healthcare company has been under pressure amid changing regulations at the federal level, and since President Donald Trump's sweeping tax and spending bill and its impact on Medicaid.

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