Pre-market Hot Trades in US Stocks

Polestar is down 13.56% in pre-market trading. Based on recent news,

1. On July 20, Polestar's Benzinga Edge signal indicated weak momentum with a score of only 4.99, suggesting challenges in maintaining upward momentum in a competitive market. Investors should closely monitor upcoming earnings and sales trends to assess future performance.

2. On July 20, Polestar's stock price fell 1.61% in pre-market trading to $14.66. Meanwhile, PSNYW dropped 22%, trading at approximately $4.10.

3. On July 20, Polestar's key resistance level is $19.84, corresponding to the 50-day moving average, which has historically been an obstacle for price increases. The key support level is $11.75, the 52-week low, which could become an important bottom for the stock if bearish sentiment persists. Market momentum is weak, and attention should be paid to future earnings and sales trends.

Sandisk is up 7.55% in pre-market trading. Based on recent key news:

1. On July 21, Morgan Stanley predicted that storage chip prices would rise by 25%, driving up Sandisk's stock price. The storage chip sector is collectively strengthening, with significant capital inflow, and Sandisk rose 5.87% during the session. Source: Zhitong Finance

2. On July 21, UBS reported that the sell-off of momentum stocks is nearing its end and advised investors to rebuild positions in AI and semiconductor stocks. The tech sector has bottomed out, and Sandisk is included in the momentum stock portfolio. Source: Wall Street Insights

3. On July 20, Morgan Stanley stated that demand in the data center market is strong and that memory shortages are expected to worsen, rating Sandisk as a strong buy. Source: Jinshi Data Technology sector has bottomed out, with significant capital inflow.

Top Gainers in Pre-market US Stocks

Hawey Metal Processing is up 82.98% in pre-market trading. Based on recent news:

1. On July 20, Hawey Metal Processing released its financial performance for the first quarter of fiscal year 2027, with revenue increasing by 29% year-over-year and gross profit rising by 58%, restoring operational profitability. The company's revenue reached approximately $18.5 million, up from $14.3 million in the same period last year, with gross profit increasing from $3.6 million to $5.7 million, and gross margin rising from 25.2% to 30.8%. The company reported an operating profit of approximately $1.2 million, compared to an operating loss of about $0.5 million in the same period last year. The company attributes the performance improvement to product mix optimization, increased production efficiency, and a rise in order volume from certain customers. Source: Zhitong Finance

2. On July 20, the company's CEO stated that the company's strategy focusing on the high-precision, high-value-added components market is yielding results, with new customer development and expanded order share from existing customers jointly driving growth this quarter. Source: Zhitong Finance

3. On July 20, the company reported that despite facing challenges, it is confident in adapting to new opportunities and becoming stronger. The company also mentioned that it lost a major client in Myanmar due to political reasons, which had a significant impact on the company. Source: RTTNews Recently, the overall industry has performed well, and macroeconomic data supports growth.

Ridgetech rose 29.77% in pre-market trading. Based on recent key news:

1. On July 20, Ridgetech director Kong Lingtao submitted an initial stockholding report, showing that as of March 18, 2026, he directly holds 2,225,000 shares of common stock. This news was released through the EDGAR system of the U.S. Securities and Exchange Commission, indicating increased confidence among company insiders in the stock, driving the share price up. Technology stocks have been volatile recently, and risks need to be monitored.

iRobot rose 23.97% in pre-market trading, with no significant news recently. Trading is active, and capital flows are evident. Considering sector and industry trends, the stock shows significant volatility, and specific reasons need further observation