Updated with recent prices.

NEW YORK (

TheStreet

) -- Oil futures slid just below $69 on Monday as the dollar strengthened slightly, continuing a Friday decline that saw the price of crude drop 3.7%.

Light, sweet crude for delivery in October was down 37 cents to $68.92 on the New York Mercantile Exchange. On Friday, the front-month contract plunged $2.65 to settle at $69.29 a barrel.

More than a few oil majors tracked back on Friday, and continued declining in the early going on Monday. Shares of

Exxon Mobil

(XOM) - Get Report

,

Chevron

(CVX) - Get Report

and

ConocoPhillips

(COP) - Get Report

lost nearly 1% on Friday. After the opening bell, shares were dipping another 0.5%, 0.4% and 0.8%, respectively.

American depositary shares for

Royal Dutch Shell

(RDS.A)

were losing 24 cents, or 0.4%, at $57.65, while

BP

(BP) - Get Report

was bidding at $53.97, down 61 cents, in the morning.

Marathon Oil

(MRO) - Get Report

was losing 45 cents at $31.80, while

Murphy Oil

(MUR) - Get Report

was down 27 cents at $59.61.

-- Written by Sung Moss in New York

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