ChinaEdu Corporation (CEDU), an educational services provider in China, reported second quarter financial results yesterday afternoon that sent its stock soaring 20.7% today, closing at $4.67 on more than twice its normal trading volume. Revenues in the quarter rose 24.9% year over year to $11.6 million. Net income was $1.3 million, or 7 cents per ADS, a decline of 40% year over year from $2.2 million. The decrease in net income was attributable to a higher tax rate in the quarter, and increased expenses related to the company’s expansion plans. Analysts expected earnings of 6 cents per ADS on $10.3 million in revenues.