21.   Intel Corp. is making a big move into the fast-growing Internet networking business, signaling trouble for some smaller rivals.

22.   It could also signal more trouble down the road.

23.   Market-watchers said investors deemed the decline irrational, largely dismissing earlier fears that abnormalities discovered in genetically engineered soybeans signaled trouble.

24.   On Sunday, a reactor at the Chernobyl power station in Ukraine was shut down after an alarm signaled trouble in a pipeline.

25.   Russian Mission Control said Tuesday it had lost radio contact with the unmanned Mir space station, signaling new troubles for the accident-prone orbiting craft.

26.   The House Judiciary Committee rejected a bill Wednesday to loosen government oversight of the regional bell telephone companies, signaling possible trouble ahead for the measure.

27.   The move signaled trouble for the Muslim-Croat federation the Americans coaxed into life last year and feted in Washington Thursday, its first anniversary.

28.   The surge came a day after the devaluation of the Spanish and Portuguese currencies signaled deep trouble in the system that links European currencies, the Exchange Rate Mechanism.

29.   Union leaders in Washington, however, signaled trouble.

30.   But Brumberg stressed that the lack of real progress here in Washington could signal trouble in the coming negotiations back in the Middle East.