Live cattle futures ended higher after a "stagnant" session that saw prices trade in a narrow range.
Feeder cattle ended lower, pressured by higher corn prices and seasonal declines in cash values, traders said.
Volume was moderate.
Traders and analysts attributed the gains to support from a higher stock market and hopes for a steady to slightly higher cash market this week.
Rebuying of previously sold positions contributed to the strength, an analyst said.
The October live cattle contract settled up 5 basis points at 86.10 cents a pound, and December was up 42 points at 85.77 cents. October feeder cattle were down 15 points at 96.45 cents, and November was off 17 at 96.55.
Live cattle opened higher but ran into selling pressure quickly as bearishly construed or neutral traders saw a selling opportunity and took advantage of it.
Subsequent support came after that early selling ran into technical support near Friday's lows.
Beef markets were expected to show some firmness later in the week, even though they appeared to be soft early, market analysts and brokers said.
Meat market analysts said beef middle meats were finding some buying resistance but that end cuts were showing adequate demand.
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