U.S. stock market update: Luda Tech up 29.42%

U.S. Stock Market Midday Update

Stocks with High Trading Volume in the Industry

Nucor fell 4.67%, with a trading volume of $194 million. Based on recent key news:

1. On September 18, Nucor Corporation released its third-quarter earnings guidance, expecting earnings per share between $2.05 and $2.15, below the market expectation of $2.57. The decline in sales in the steel mill segment, increased costs in the steel products segment, and decreased processing profits in the raw materials segment due to reduced scrap processing led to the drop in stock price. Data source: MT Newswires.

2. On September 18, analysts maintained a "Moderate Buy" rating on Nucor but noted that five other stocks were seen as more valuable investments, leading to weakened market confidence in Nucor. Data source: MarketBeat.

3. On September 18, steel prices rose to about $800 per ton, an increase of about $100 compared to last year, but still far below the peak in 2021. This has a significant impact on the profitability of steel manufacturers. Data source: Barron's. The steel industry is facing cost pressures, with notable market volatility.

Vale S.A. fell 0.37%, with a trading volume of $144 million. Based on recent key news:

1. On September 17, S&P upgraded the rating of Brazilian mining company Vale from "BBB-" to "BBB," with a stable outlook. Rating upgrades typically boost investor confidence, but the stock price still experienced a decline.

2. On September 17, the market observed a significant inflow of funds into Vale, with options trading indicating that 61% of investors held bullish expectations. Nevertheless, the stock price failed to reflect the positive market sentiment.

3. On September 15, Vale released its latest financial report through the EDGAR system, showing stable fundamentals for the company, but the market reaction was muted. The mining industry overall performed steadily, with limited impact from macroeconomic data.

Ramaco - CL rose 20.07%, with a trading volume of $9.578 million. Based on recent key news:

1. On September 18, Ramaco Resources announced the appointment of Joseph M. Stopper as Senior Vice President of Planning and Analysis. This appointment is seen as a strategic move for the company in the rare earth elements and critical minerals sector, driving the stock price up.

2. On September 17, Ramaco Resources announced that Mike Graney joined the board of directors. Graney has over 35 years of experience in economic development and energy, enhancing market confidence in the company's management.

3. On September 18, the company released a shareholder letter updating on recent developments, further boosting investor confidence. The rare earth mining sector has performed strongly recently, with increased policy support.

Stocks with High Market Capitalization in the Industry

ArcelorMittal rose 1.37%. Based on recent key news:

1. On September 16, ArcelorMittal withdrew from its joint venture project with SigmaRoc due to concerns about project timelines and French building permits. This move has no significant impact on its recent financial forecasts but may affect market confidence.

2. On September 17, analyst Gabriel maintained a hold rating on ArcelorMittal, while Kepler Capital maintained a buy rating, indicating differing market views on its prospects.

3. On September 16, SigmaRoc stated that ArcelorMittal's withdrawal would not have a substantial impact on its medium-term goals, and the market reacted calmly. The basic materials sector has performed steadily recently