DJ Merck, IBM Share Losses Lead Dow's Nearly 250-Point Drop

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Shares of Merck and IBM are trading lower Tuesday morning, sending the Dow Jones Industrial Average into negative territory.

The Dow (Dow Jones Industrial Average) was most recently trading 248 points, or 0.5%, lower, as shares of Merck (Merck & Co. Inc.) and IBM (International Business Machines Corp.) are contributing to the blue-chip gauge's intraday decline.

Merck's shares have fallen $3.24 (3.2%) while those of IBM are down $6.47 (2.1%), combining for an approximately 60-point drag on the Dow.

Other components contributing significantly to the decline include Chevron (Chevron Corp.), UnitedHealth (UnitedHealth Group Inc.), and Walmart (Walmart Inc.).

A $1 move in any of the benchmark's 30 components results in a 6.16-point swing.

Data source: Dow Jones Market Data, FactSet. Data compiled December 16, 2025.

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December 16, 2025 10:22 ET (15:22 GMT)

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