Browse all investment research, market analysis, and trading strategies from Securities Ka.
This article provides an in-depth analysis of the investment logic, strategy selection, and practical methods of the US stock mark
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In the second half of 2026, facing complex and volatile market environments, investors need to reassess their US stock portfolio a
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By end of Q2 2026, Berkshire Hathaway's cash reserves surpassed $200 billion for the first time, a record high. Amid high US stock
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As 2026 enters its second half, the US stock market, having experienced an AI-driven tech frenzy and subsequent pullback, sees inv
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In early August 2026, Amazon reported Q2 earnings with AWS cloud revenue growth accelerating markedly back to double digits. The s
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The US ISM Services PMI unexpectedly returned to expansion in July, shattering expectations of rapid economic cooling and triggeri
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NVIDIA's latest earnings report reveals that its GPU leasing and cloud services revenue surged 210% year-over-year in Q2 2026, bec
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The US July nonfarm payrolls released in early August 2026 significantly missed expectations, with the unemployment rate unexpecte
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In H1 2026, U.S. active funds saw sustained outflows, while passive index funds and bond ETFs became safe havens. This article ana
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US June Core PCE price index year-on-year growth slowed to 2.4%, below expectations; consumer spending grew by 0.5% month-on-month
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EIA数据显示原油库存超预期下降，国际油价大涨，能源板块领涨美股。本文分析能源股上涨逻辑，并探讨投资者如何通过行业轮动、仓位管理和多品类资产搭配来优化美股持仓，捕捉原油行情机遇。
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On Monday, US chip stocks were hit by a storm, with the Philadelphia Semiconductor Index plunging nearly 5% intraday. Nvidia, SanD
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Apple's Q3 FY2026 earnings showed services revenue up 15% YoY to a record, iPhone sales flat, AI spending doubled. This article an
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US Q2 GDP growth beats expectations, but corporate earnings outlook is uncertain. Investors adjust holdings, adding defensive sect
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When tensions in the Middle East rise, global stocks often come under pressure, but U.S. stocks tend to be more resilient. This ar
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