What indicators might journalists rely on to identify market manipulation?

• A. Regulatory filings unrelated to price
• B. Weather patterns
• C. Unusual price/volume patterns
• D. Company earnings guidance changes

Answer: (C)

Unusual price and volume patterns are a key signal because market manipulation hinges on distorting trading to mislead investors. If a stock jumps or falls sharply without corresponding news and trading volume spikes or shows odd, steps-like patterns, that suggests someone is pushing the price in a way that doesn’t reflect real value or fundamentals. Manipulators might use tactics like rapid buying to create a rally, or spoofing and layering to fool others into trading, which leaves telltale gaps between what would be expected from fundamentals and what’s actually happening in the tape.

Other indicators listed don’t directly point to manipulation. Regulatory filings unrelated to price concern compliance or corporate actions rather than trading behavior. Weather patterns have no connection to how a stock trades. Earnings guidance changes can move prices, but they reflect new information rather than deceptive trading tactics, so they aren’t reliable indicators of manipulation on their own.