Implement missing APIs

[pviotti]

API docs: https://finnhub.io/docs/api

Web socket

• [ ] Trades
• [ ] News (Premium)

Stock Fundamentals

• [x] Symbol Lookup
• [ ] Stock Symbols
• [ ] Company Profile (Premium)
• [x] Company Profile 2
• [ ] Company Executive (Premium)
• [ ] Market News
• [x] Company News
• [ ] Press Releases (Premium)
• [x] News Sentiment
• [ ] Peers
• [x] Basic Financials
• [ ] Ownership (Premium)
• [ ] Fund Ownership (Premium)
• [ ] Financials (Premium)
• [ ] Financials As Reported
• [ ] SEC Filings
• [ ] International Filings (Premium)
• [ ] SEC Sentiment Analysis (Premium)
• [ ] Similarity Index (Premium)
• [x] IPO Calendar
• [ ] Dividends (Premium)

Stock Estimates

• [x] Recommendation Trends
• [ ] Price Target (Premium)
• [ ] Upgrade Downgrade (Premium)
• [ ] Revenue Estimates (Premium)
• [ ] EPS Estimates (Premium)
• [ ] EPS Surprises
• [x] Earnings Calendar

Stock Price

• [x] Quote
• [ ] Candles
• [ ] Tick Data (Premium)
• [ ] Last Bid-Ask (Premium)
• [ ] Splits (Premium)
• [ ] Dividends 2 (Premium)

ETFs & Indices

• [ ] Indices Constituents
• [ ] Historical Constituents (Premium)
• [ ] ETFs Profile (Premium)
• [ ] ETFs Holdings (Premium)
• [ ] ETFs Industry
• [ ] ETFs Country

Forex

• [ ] Exchanges
• [ ] Symbols
• [ ] Candles
• [ ] All Rates

Crypto

• [ ] Exchanges
• [ ] Symbols
• [ ] Candles

Technical Analysis

• [ ] Pattern Recognition
• [ ] Support/Resistance
• [ ] Aggregate Indicators
• [ ] Technical Indicators

Alternative Data

• [ ] Transcripts List (Premium)
• [ ] Transcripts (Premium)
• [x] Social Sentiment
• [ ] COVID-19
• [ ] FDA Calendar

Economic

• [ ] Country List
• [ ] Economic Calendar
• [ ] Economic Codes (Premium)
• [ ] Economic (Premium)

Enterprise Data

• [ ] Short Interest (Premium)
• [ ] Global Fixed Income (Premium)
• [ ] Derivatives (Premium)

[pviotti]

Notes:

• use optional parameters with default values where needed
• use DateTime format support in System.Text.Json, if it's convenient to do so