ALCUF.US stock price is influenced by various factors, typical of over-the-counter (OTC) stocks.

Financial Performance: Alcobra's reported revenue, earnings, and growth prospects heavily impact investor sentiment.

Clinical Trial Results: Positive or negative outcomes from clinical trials for its drug candidates are critical drivers.

Regulatory Approvals: Progress towards and attainment of regulatory approvals, like from the FDA, significantly affects stock value.

Market Sentiment: General market trends, industry outlook, and investor confidence influence trading activity.

Competition: The competitive landscape in the pharmaceutical industry, including alternative treatments, affects ALCUF.US.

Partnerships/Collaborations: Agreements with other companies can provide funding and validation, impacting stock price.

Cash Position: Available cash and burn rate are crucial for a company reliant on R&D; impacting long-term viability.

Dilution: Stock offerings to raise capital dilute existing shareholders, often lowering the price.

News and Media Coverage: Positive or negative publicity about Alcobra can drive investor interest, affecting trading volume and stock price.