It looks like Tuesday (no trading on Monday because of the Memorial Day weekend) will be really ugly.

Major World Indices – Yahoo! Finance

Symbol	Name	Last Trade	Change	Related Info
^AORD	All Ordinaries	6,525.70 10:57PM ET	81.70 (1.24%)	Components, Chart, More
^SSEC	Shanghai Composite	5,119.49 9:59PM ET	196.05 (3.69%)	Chart, More
^HSI	Hang Seng	27,594.21 10:42PM ET	1,189.20 (4.13%)	Components, Chart, More
^BSESN	BSE 30	19,058.93 Nov 8	0.00 (0.00%)	Chart, More
^JKSE	Jakarta Composite	2,662.22 11:05PM ET	45.45 (1.68%)	Components, Chart, More
^KLSE	KLSE Composite	1,402.25 Nov 7	11.60 (0.82%)	Components, Chart, More
^N225	Nikkei 225	15,031.91 10:37PM ET	551.51 (3.54%)	Chart, More
^NZ50	NZSE 50	4,090.71 10:45PM ET	44.06 (1.07%)	Components, Chart, More
^STI	Straits Times	3,492.26 10:57PM ET	107.41 (2.98%)	Components, Chart, More
^KS11	Seoul Composite	1,905.65 10:57PM ET	84.82 (4.26%)	Components, Chart, More
^TWII	Taiwan Weighted	8,654.63 10:57PM ET	316.29 (3.53%)	Chart, More