Just caught the Singapore market action on Monday and it wasn't pretty. The STI took another hit, dropping over 2 percent and closing at 4,890.86. You know when you're dealing with Asian markets and watching US news unfold—there's always that time zone thing to factor in. California time to Singapore time, you're looking at nearly a full day's lag sometimes, which means by the time morning opens here, Wall Street's already priced in whatever happened overnight.

The selloff was broad-based across the board. Financials got hammered, property stocks tumbled, and industrial names were bleeding red. DBS Group down 2.61 percent, Singapore Airlines crashed 4.74 percent, SATS absolutely cratered with a 5.87 percent plunge. Even the REITs weren't spared—most of them eased down. Only a few names managed to hold up, like Yangzijiang Shipbuilding which actually rallied 2.07 percent.

What's interesting is the catalyst here. Early in the session there was heavy selling pressure tied to geopolitical concerns—the U.S.-Israel strikes over the weekend rattled markets. But then something shifted. Wall Street opened lower but gradually found its footing, which gave Asian traders a bit of hope. The Dow eventually closed down just 0.15 percent, NASDAQ actually gained 0.36 percent. So by the time Singapore's close rolled around, sentiment was mixed at best.

Crude oil was the real story though. WTI surged 6.1 percent to $71.10 a barrel on Middle East supply concerns. That kind of move usually filters through to energy-sensitive markets pretty quickly.

The bigger picture? You've got this tension between geopolitical risks pushing people to sell, and bargain hunters coming in on dips. Manufacturing data showed a slowdown too, which added to the cautious tone. Singapore's sitting just above 4,890 now, and it's hard to say which way this breaks next without seeing how international sentiment evolves. These cross-market dynamics where you're tracking California time to Singapore time differences really matter when volatility picks up like this.