Up:

Leju Holdings Limited Surges on Market Optimism
Shares of Leju Holdings Limited (LEJU), a real estate services provider, soared almost 38% today. The significant rise can be attributed to the broader market optimism surrounding Asian tech stocks, particularly those listed as American depositary receipts (ADRs) in the US. The S&P Asia 50 ADR Index, which tracks these equities, climbed sharply, indicating a positive sentiment towards Asian tech companies.

NIO Inc. Accelerates on EV Demand
Electric vehicle maker NIO Inc. (NIO) saw its shares surge by 8.6%. The company's stock benefited from the general uplift in tech stocks, particularly those in the electric vehicle sector, which continue to attract investor interest due to the long-term growth potential of the EV market.

Canaan Inc. and LexinFintech Holdings Ltd. Rise on Tech Rally
Shares of Canaan Inc. (CAN), a computer hardware maker, and LexinFintech Holdings Ltd. (LX), a consumer lending firm, both rose by 6%. Their stocks were lifted by the broader rally in tech stocks, as investors continue to show confidence in the technology sector's growth prospects.

SentinelOne, Inc.: Growth and Stock Options in Focus
Cybersecurity company SentinelOne, Inc. (S) saw its stock jump 15% in pre-market trading. The company, which competes with the likes of Crowdstrike and Palo Alto Networks, reported strong quarterly results with sales exceeding $600 million. Despite operating losses, the company's reduction in stock option compensation from 39% to 33% of sales has helped narrow its operating loss, signaling potential for future profitability.

Down:

Asana, Inc.: Downgraded Amidst Growth Concerns
Asana Inc. (ASAN) faced a downgrade from HSBC to 'Reduce' from 'Hold', with a reiterated price target of $18. The downgrade comes as the company reported a narrower non-GAAP loss and provided an outlook that suggests a slowdown in growth, leading to a 13.13% decline in its stock price.

Brown-Forman Corporation: Adjusts Sales Forecast
Brown-Forman Corporation (BF.B), known for its Jack Daniel's whiskey, cut its annual sales forecast due to softening demand, particularly in the United States where consumers are opting for less expensive alternatives. The company's shares dropped 7% in pre-market trade following the announcement.