Vegitt, you should consider the Penguin update when building links.
Please take the following steps:
-
Enter your URL in Ahrefs.com and scroll down to "Referring domains for anchor phrases". Can you see your focused anchor text rated much higher than other natural keywords?
-
Go to SeoMoz's OpenSiteExplorer. Research your links and scroll down to the links with the lowest Domain Authority. Are most of your links coming out of domains with low authority? (20 and down).
-
Go to Google' Webmaster tools. Go to health-Links to your site. Can you see a huge amount of links from the same domain pointing at you?
-
Do you have a Google notification in your WMT account saying that you have an unnatural links profile?
-
Research your website with majesticSEO. go to "anchor text" and see if you pushed too hard on the same keywords.
If you answered YES to one or more of these questions, then you probably have been hit by Google Penguin.
Reach out to any low quality site that links to you and have it taken off.
Don't build Social bookmark links, they aren't a way of influencing your rankings.
Also, PRWEB doesn't count a good link for SEO because the entire world is polluting it with off page SEO.
Act more natural, use Social media to drive traffic and create unique content.
Read through seoMOZ's SEO guide to learn more.
Regarding your negative links, try sending Google a re-consideration letter once you got the nasty links removed.
Good luck